Engine-CodesFord – P1743 Ford

P1743 Ford Code - Torque Converter Clutch Solenoid Failed On Conditions

Quick Answer

The P1743 Ford diagnostic trouble code indicates that the Torque Converter Clutch (TCC) solenoid has failed to operate under certain conditions. Common causes include Faulty TCC solenoid, Wiring issues, Faulty transmission control module (TCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1743 Ford indicates Torque Converter Clutch Solenoid Failed On Conditions.
Common causes
Common causes include Faulty TCC solenoid, Wiring issues, Faulty transmission control module (TCM).
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 06, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1743 Ford Description

The P1743 Ford diagnostic trouble code indicates that the Torque Converter Clutch (TCC) solenoid has failed to operate under certain conditions. The TCC solenoid is responsible for engaging and disengaging the torque converter clutch, which is a critical component of the transmission system in an automatic vehicle. When the TCC solenoid fails, it can lead to issues with the vehicle's performance, fuel efficiency, and overall drivability.

OBDII Code P1743 Ford - Torque Converter Clutch Solenoid Failed On Conditions
P1743 Ford Code - Torque Converter Clutch Solenoid Failed On Conditions

Common Causes of P1743 Ford

  1. Faulty TCC solenoid
  2. Wiring issues
  3. Faulty transmission control module (TCM)
  4. Low transmission fluid levels
  5. Clogged transmission filter

Symptoms of P1743 Ford

  1. Harsh shifting
  2. Transmission slipping
  3. Decreased fuel efficiency
  4. Engine stalling at low speeds
  5. Engine overheating

How to Fix P1743 Ford

  1. Diagnose the specific cause of the issue using a scan tool to retrieve the fault codes.
  2. Inspect the TCC solenoid, wiring, and transmission control module for any visible damage or defects.
  3. Check the transmission fluid level and condition to ensure it is at the correct level and not contaminated.
  4. Replace the faulty TCC solenoid, repair any damaged wiring, replace the transmission control module if necessary, and perform a transmission fluid flush and filter replacement.
  5. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1743 Ford

The typical repair costs for a P1743 Ford diagnostic trouble code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty TCC solenoid can range from $150 to $300, while replacing a transmission control module can cost between $200 and $500. Additional costs for labor, transmission fluid, and filter replacement should also be factored in, with total repair costs potentially ranging from $300 to $800 or more. It is advisable to consult with a qualified mechanic or auto repair shop to obtain an accurate estimate based on the specific circumstances of your vehicle.

Need more information about the P1743 Ford code?

Need more information on how to fix the P1743 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1743 Ford code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1743 Ford Code

No Frequently Asked Questions about P1743 Ford Code found.

Discuss the causes and fixes for P1743 Ford OBDII Code

  • 97 taurus 3.0 dies whent put revirse or drive hase p1743 obd code have not replaced any parts have just scaned for codes

  • How is the transmission fluid level and condition. You could start by replacing the fluid.